. >> reporter: min wynn could not believe his eyes. >> oh my god, my house. >> reporter: when he saw how the inside of the single family home in san jose -- >> see the bedroom over here. >> reporter: had been gutted and convert into a full scale marijuana growing operation. >> oh my god. >> reporter: industrial ventilation, lighting and the remnants of 300 harvested pot plants filled the house he and his house had been renting out to a friend of a relative for about $1,800 a month. police got the call to sandalwood court around 3:00 this morning when neighbors saw people loading up several cars and thought they were witnessing a burglar. instead they found a more lucrative crime. >> this house was solely for marijuana. >> never had a problem with them. always hi and bye and they minded their own business. >> reporter: neighbors say they have no idea what had been going at this unassuming house. wynn says it had been months since he checked the inside of the house and he feels he has been duked. >> of course, because this is for them to live not for them to do something like this. >>